1.   Use estimation to place the decimal point in the product
18.7 × 21 = 3927.
    A. 39.27 B. 392.7
    C. 3927.0 D. 3.927
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  2.   A dollar bill is 6.125 inches long. Caitlin used it as a measuring device and found that her shelf was 5 times the length of the dollar bill. How long is her shelf?
    A. 30.625 in. B. 306.25 in.
    C. 30.605 in. D. 306.05 in.
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  3.   Antonio earns $7.65 per hour. How much money does he make if he works 8 hours?
    A. $60.80 B. $6.12
    C. $612.00 D. $61.20
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  4.   Find 8k if k = 0.5238.
    A. 4.1904 B. 3.483
    C. 5.285 D. 4.9231
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  5.   Find 4 × 0.0034.
    A. 0.1216 B. 0.0126
    C. 0.0136 D. 1.36
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